package ch02;

public class Example2_4 {
	public static void main (String args[]) {
		int [] a = {1,2,3,4};
		int [] b = {100,200,300};
		System.out.println("数组a的元素个数"+a.length);
		System.out.println("数组b的元素个数"+b.length);
		System.out.println("数组a的引用"+a);
		System.out.println("数组b的引用"+b);
		a = b;
		System.out.println("数组a的元素个数"+a.length);
		System.out.println("数组b的元素个素"+b.length);
		System.out.println("a[0]="+a[0]+",a[1]"+a[1]+",a[2]"+a[2]);
		System.out.println("b[0]="+b[0]+",b[1]"+b[1]+",b[2]"+b[2]);
	}
}
